Fuel Cell Vehicle Powertrain Patent Landscape 2026
Honda Motor Co. leads a moderately concentrated field of 42 patent families, with Chinese applicants and the China jurisdiction accounting for the largest share of activity. Annual filing volume peaked in 2020 and has since eased, though new entrants from China and the UK signal continued competitive interest.
Honda leads a field where Chinese applicants collectively set the pace
Honda Motor Co. Ltd. holds the top position with 7 patent families, followed jointly by Toyota and Dongfeng Motor Group at 5 patent families each, making the top three the most productive filers in this space.
The top five filers account for 48% of the hundred largest filers’ combined total, indicating a moderately concentrated field — significant enough that the leaders shape technology direction, but with enough room for challengers to establish positions in adjacent sub-domains.
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 1 | Honda Motor Co. Ltd. | 7 | |
| 2 | Toyota Motor Corporation | 5 | |
| 3 | Dongfeng Motor Group | 5 | |
| 4 | Zhengzhou Yutong Bus Co. Ltd. | 2 | |
| 5 | Hydrogen Vehicle Systems Ltd. | 2 | |
| 6 | Zhizi Automotive Technology Co. Ltd. | 2 | |
| 7 | Shanghai Hydrogen Propulsion Technology Co. Ltd. | 1 | |
| 8 | Dayun Automobile Co. Ltd. | 1 | |
| 9 | CATARC New Energy Vehicle Test Center (Tianjin) Co. Ltd. | 1 | |
| 10 | Annapoorana Engineering College | 1 |
| # | Applicant | Patent families | Share |
|---|---|---|---|
| 11 | FAW Jiefang Automotive Co. Ltd. | 1 | |
| 12 | Zhongtong Bus Holding Co. Ltd. | 1 | |
| 13 | Beili Xinyuan (Foshan) Information Technology Co. Ltd. | 1 | |
| 14 | Chongqing Changan Automobile Co. Ltd. | 1 | |
| 15 | Dongfeng Commercial Vehicle Co. Ltd. | 1 | |
| 16 | Shandong Guochuang Fuel Cell Technology Innovation Center Co. Ltd. | 1 | |
| 17 | AVL Powertrain UK | 1 | |
| 18 | Beijing Institute of Technology | 1 | |
| 19 | Deepal Automobile Technology Co. Ltd. | 1 | |
| 20 | Poornima College of Engineering | 1 |
Honda’s lead, anchored in fuel-cell stack technology (H01M 8), and Toyota’s emphasis on electric vehicle propulsion management (B60L 58, B60L 55) suggest the two established OEMs are pursuing complementary rather than identical IP strategies, which may reduce direct blocking risk between them.
Patent filings from the most recent 18–24 months are subject to publication lag and likely under-represent actual recent activity; trend readings for 2024–2026 should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2020 peak, a China-centric jurisdiction profile, and a propulsion-dominant tech mix
Annual filing activity built steadily from 2018 to a 2020 high, then moderated through the mid-2020s. The technology composition is heavily weighted toward electric vehicle propulsion and fuel-cell stack classes, with several adjacent branches remaining sparsely covered.
Annual filing trend
Filings rose from 2 in 2018 to a peak of 9 in 2020, then settled in the 5–7 range through 2024. The 2025–2026 data points reflect incomplete publication and should not be read as further decline. The field is still active on a multi-year basis, though annual volume has eased from its 2020 peak.
↗ Hover for values · click a bar to ask EurekaTechnology composition
B60L (electric vehicle propulsion) dominates with 41 patent records, followed by H01M (batteries, cells and fuel cells) at 18 and B60K (vehicle propulsion and drive) at 8. Branches such as H02J (power supply and grid systems), B60W (hybrid/joint vehicle control), and F17C (pressure vessels and gas storage) each register only a handful of records, flagging them as under-served relative to the core propulsion cluster.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Power management apparatus and power management me…
A server manages demand and supply of electric power between a power network and at least one vehicle which is electrically connected to the power network and available as a power adjustment resource of the power network. The at least one vehicle includes a FCEV. The server includes: an acquisition unit that obtains an operation plan of the FCEV and… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Fuel cell vehicle | 35 |
| 2 | Fuel cell vehicle | 28 |
| 3 | 氢燃料电池汽车安全预警的检测方法、系统及车载终端 | 14 |
| 4 | 一种燃料电池汽车氢系统的泄漏预测方法及装置 | 12 |
| 5 | 一种用于氢燃料电池汽车的氢泄露检测方法、系统及氢燃料电池汽车 | 12 |
| 6 | 一种燃料电池发动机及燃料电池车 | 10 |
| 7 | 一种燃料电池车辆及其氢安全控制方法、装置和系统 | 10 |
| 8 | 一种氢燃料电池整车氢耗估算系统及方法 | 9 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the patent structure means for R&D investment decisions
China-dominant jurisdiction profile defines a field where strategic positioning in under-crowded sub-domains is still achievable.
Post-peak field: volume has eased from 2020 high
The lifecycle stage is Decline, with annual filings easing back from the 2020 peak of 9 families. On a multi-year basis the field remains active, but the downward trend in annual volume suggests the primary propulsion architecture claims are becoming established. New entrants focusing on differentiated sub-systems — safety monitoring, hydrogen storage, or grid integration — may find less crowded ground than core powertrain architecture.
Lifecycle: DeclineTop five hold nearly half of the hundred largest filers’ output
The top five filers — Honda, Toyota, Dongfeng, Yutong Bus, and Hydrogen Vehicle Systems — represent 48% of the hundred largest filers’ combined total. Honda’s 7-family lead over the next tier (5 families each for Toyota and Dongfeng) is meaningful but not insurmountable for a well-resourced challenger. The long tail of single-family filers indicates many actors are testing the space without committing to a broad portfolio.
Moderate concentrationOnly one co-filing pair identified: Chongqing Changan and Deepal Automobile
Chongqing Changan Automobile Co. Ltd. and Deepal Automobile Technology Co. Ltd. are the sole co-applicant pair in the dataset, with one jointly filed patent family. The near-absence of co-filing signals that ecosystem partnerships have not yet materialized into joint IP strategies at scale. This represents a gap: supply-chain collaborations between OEMs, fuel-cell stack suppliers, and hydrogen infrastructure firms are not yet reflected in patent co-ownership.
Minimal co-filingChina dominates filings; US and UK offer secondary exposure
China accounts for 27 of the 44 jurisdiction-level patent records, confirming it as the primary battleground. The United States follows with 9 records, the United Kingdom and India each with 3, and Europe (EPO) and Japan with 1 each. Applicants seeking broad protection should prioritize CN and US prosecution; the low EPO and Japan counts suggest those markets are under-protected relative to their commercial significance in fuel cell vehicles.
CN-dominantGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Chongqing Changan Automobile Co. Ltd. | Deepal Automobile Technology Co. Ltd. | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Honda anchors stack technology; Toyota and Dongfeng push propulsion management
The top three filers each bring a distinct technology emphasis, reducing direct head-to-head overlap while collectively covering the core powertrain stack. New entrants from. China and the UK are building positions in propulsion control and hybrid management.
Honda Motor Co. Ltd.
Honda leads with 7 patent families concentrated in H01M 8 (fuel-cell stack), B60L 50 (EV propulsion), and B60K 8 (vehicle drive). This stack-level focus reflects Honda’s long-standing fuel-cell development history. No momentum signal is available in the recent-window data for Honda, suggesting a stable rather than accelerating filing pace.
families: 7Dongfeng Motor Group
Dongfeng matches Toyota at 5 patent families and is flagged as a new entrant in the recent filing window, indicating its current portfolio was built recently rather than carried forward from prior years. Its focus spans B60K 15 (vehicle propulsion and drive) and B60L 50/58 (EV propulsion), positioning it as a systems-level integrator rather than a stack specialist. This trajectory warrants close monitoring as Chinese OEM hydrogen programs mature.
families: 5| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Dongfeng Motor Group | 3 | ▲ new entrant |
| Beijing SinoHytec Co. Ltd. | 1 | ▲ new entrant |
| Zhizi Automotive Technology Co. Ltd. | 1 | ▲ new entrant |
| Hydrogen Vehicle Systems Ltd. | 2 | ▲ new entrant |
Under-served branches adjacent to the dominant propulsion cluster
Several IPC classes appear at the margin of the current corpus, representing areas where filing activity is sparse relative to their technical relevance to fuel cell vehicle powertrains. These are observations of relative sparsity; whether they represent actionable entry points depends on an organization’s technical capabilities and competitive position.
H02J · Power supply and grid systems
With only 4 patent records in scope, grid-integration and vehicle-to-grid (V2G) power management for fuel cell vehicles is underrepresented. Toyota’s filing profile shows H02J 3 as a focus area, but the broader sub-domain remains sparse. Given the policy push for hydrogen as a grid buffer in China and Europe, there is plausible technical value in claiming power conditioning and bidirectional energy-flow architectures specific to fuel cell stacks. An entrant with power electronics expertise could build a differentiated position here.
Search this in Eureka →B60W · Hybrid/joint vehicle control
Only 2 patent records cover hybrid and joint vehicle control in this corpus, despite fuel cell vehicles routinely combining fuel cell stacks with battery buffers or supercapacitors. Hydrogen Vehicle Systems Ltd. is the only applicant with explicit B60W coverage (B60W 20 and B60W 30). The sub-domain is technically adjacent to the dominant B60L cluster and represents a realistic entry path for powertrain control software teams. The sparse coverage may reflect an assumption that existing hybrid-vehicle IP is transferable, which could leave architecture-specific claims unclaimed.
Search this in Eureka →How leading applicants differ across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | B60L 58 · Electric vehicle propulsion | B60L 50 · Electric vehicle propulsion | H01M 8 · Batteries, cells & fuel cells | B60L 3 · Electric vehicle propulsion | B60K 15 · Vehicle propulsion & drive |
|---|---|---|---|---|---|
| Honda Motor Co. Ltd. | Moderate · 2 | Moderate · 3 | Strong · 7 | Emerging · 1 | Emerging · 1 |
| Dongfeng Motor Group | Strong · 3 | Strong · 3 | Strong · 3 | Moderate · 1 | Strong · 3 |
| Toyota Motor Corporation | Strong · 5 | Moderate · 2 | Emerging · 1 | Absent | Absent |
| Zhengzhou Yutong Bus Co. Ltd. | Strong · 2 | Absent | Strong · 2 | Absent | Absent |
| Poornima College of Engineering | Strong · 1 | Strong · 1 | Absent | Strong · 1 | Absent |
| China Automotive Technology and Research Center Co. Ltd. | Strong · 1 | Absent | Strong · 1 | Strong · 1 | Absent |
| CATARC New Energy Vehicle Test Center (Tianjin) Co. Ltd. | Strong · 1 | Absent | Strong · 1 | Strong · 1 | Absent |
Frequently asked questions
The corpus covers 42 patent families. This is a focused dataset reflecting families that closely match the fuel cell vehicle powertrain query; the broader global patent literature on adjacent technologies is larger.
Honda Motor Co. Ltd. leads with 7 patent families, ahead of Toyota and Dongfeng Motor Group, which each hold 5 patent families.
China is the dominant filing jurisdiction, accounting for 27 of the patent records in scope. The United States is a distant second with 9 records, followed by the United Kingdom and India at 3 each.
The field is assessed as in Decline, meaning annual filing volume has eased back from its 2020 peak of 9 families. The multi-year corpus remains active, but the downward annual trend suggests core architecture claims are maturing. The most recent 18–24 months of data are subject to publication lag.
H02J (power supply and grid systems) with 4 patent records and B60W (hybrid/joint vehicle control) with 2 patent records are the most sparsely covered branches relative to their technical relevance. F17C (pressure vessels and gas storage) and G01M (testing machine and structure balance) each also register only 2 records.
Co-filing activity is minimal. The only identified co-applicant pair is Chongqing Changan Automobile Co. Ltd. and Deepal Automobile Technology Co. Ltd., sharing one jointly filed patent family. The near-absence of broader co-filing indicates that cross-organization IP partnerships have not yet taken hold in this specific corpus.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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